AI Newsletter Digest improvements: fixed QP soft line break decoding, URL extraction, and content cleaning
This commit is contained in:
Krilly
363
archive/inactive-skills/capability-evolver/src/gep/signals.js
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363
archive/inactive-skills/capability-evolver/src/gep/signals.js
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// Opportunity signal names (shared with mutation.js and personality.js).
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var OPPORTUNITY_SIGNALS = [
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'user_feature_request',
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'user_improvement_suggestion',
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'perf_bottleneck',
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'capability_gap',
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'stable_success_plateau',
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'external_opportunity',
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'recurring_error',
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'unsupported_input_type',
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'evolution_stagnation_detected',
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'repair_loop_detected',
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'force_innovation_after_repair_loop',
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];
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function hasOpportunitySignal(signals) {
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var list = Array.isArray(signals) ? signals : [];
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for (var i = 0; i < OPPORTUNITY_SIGNALS.length; i++) {
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if (list.includes(OPPORTUNITY_SIGNALS[i])) return true;
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}
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return false;
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}
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// Build a de-duplication set from recent evolution events.
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// Returns an object: { suppressedSignals: Set<string>, recentIntents: string[], consecutiveRepairCount: number }
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function analyzeRecentHistory(recentEvents) {
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if (!Array.isArray(recentEvents) || recentEvents.length === 0) {
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return { suppressedSignals: new Set(), recentIntents: [], consecutiveRepairCount: 0 };
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}
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// Take only the last 10 events
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var recent = recentEvents.slice(-10);
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// Count consecutive same-intent runs at the tail
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var consecutiveRepairCount = 0;
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for (var i = recent.length - 1; i >= 0; i--) {
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if (recent[i].intent === 'repair') {
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consecutiveRepairCount++;
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} else {
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break;
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}
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}
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// Count signal frequency in last 8 events: signal -> count
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var signalFreq = {};
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var geneFreq = {};
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var tail = recent.slice(-8);
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for (var j = 0; j < tail.length; j++) {
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var evt = tail[j];
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var sigs = Array.isArray(evt.signals) ? evt.signals : [];
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for (var k = 0; k < sigs.length; k++) {
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var s = String(sigs[k]);
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// Normalize: ignore errsig details for frequency counting
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var key = s.startsWith('errsig:') ? 'errsig' : s.startsWith('recurring_errsig') ? 'recurring_errsig' : s;
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signalFreq[key] = (signalFreq[key] || 0) + 1;
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}
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var genes = Array.isArray(evt.genes_used) ? evt.genes_used : [];
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for (var g = 0; g < genes.length; g++) {
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geneFreq[String(genes[g])] = (geneFreq[String(genes[g])] || 0) + 1;
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}
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}
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// Suppress signals that appeared in 3+ of the last 8 events (they are being over-processed)
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var suppressedSignals = new Set();
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var entries = Object.entries(signalFreq);
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for (var ei = 0; ei < entries.length; ei++) {
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if (entries[ei][1] >= 3) {
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suppressedSignals.add(entries[ei][0]);
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}
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}
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var recentIntents = recent.map(function(e) { return e.intent || 'unknown'; });
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// Count empty cycles (blast_radius.files === 0) in last 8 events.
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// High ratio indicates the evolver is spinning without producing real changes.
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var emptyCycleCount = 0;
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for (var ec = 0; ec < tail.length; ec++) {
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var br = tail[ec].blast_radius;
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var em = tail[ec].meta && tail[ec].meta.empty_cycle;
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if (em || (br && br.files === 0 && br.lines === 0)) {
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emptyCycleCount++;
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}
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}
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// Count consecutive empty cycles at the tail (not just total in last 8).
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// This detects saturation: the evolver has exhausted innovation space and keeps producing
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// zero-change cycles. Used to trigger graceful degradation to steady-state mode.
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var consecutiveEmptyCycles = 0;
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for (var se = recent.length - 1; se >= 0; se--) {
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var seBr = recent[se].blast_radius;
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var seEm = recent[se].meta && recent[se].meta.empty_cycle;
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if (seEm || (seBr && seBr.files === 0 && seBr.lines === 0)) {
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consecutiveEmptyCycles++;
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} else {
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break;
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}
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}
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// Count consecutive failures at the tail of recent events.
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// This tells the evolver "you have been failing N times in a row -- slow down."
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var consecutiveFailureCount = 0;
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for (var cf = recent.length - 1; cf >= 0; cf--) {
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var outcome = recent[cf].outcome;
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if (outcome && outcome.status === 'failed') {
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consecutiveFailureCount++;
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} else {
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break;
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}
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}
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// Count total failures in last 8 events (failure ratio).
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var recentFailureCount = 0;
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for (var rf = 0; rf < tail.length; rf++) {
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var rfOut = tail[rf].outcome;
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if (rfOut && rfOut.status === 'failed') recentFailureCount++;
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}
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return {
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suppressedSignals: suppressedSignals,
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recentIntents: recentIntents,
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consecutiveRepairCount: consecutiveRepairCount,
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emptyCycleCount: emptyCycleCount,
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consecutiveEmptyCycles: consecutiveEmptyCycles,
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consecutiveFailureCount: consecutiveFailureCount,
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recentFailureCount: recentFailureCount,
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recentFailureRatio: tail.length > 0 ? recentFailureCount / tail.length : 0,
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signalFreq: signalFreq,
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geneFreq: geneFreq,
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};
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}
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function extractSignals({ recentSessionTranscript, todayLog, memorySnippet, userSnippet, recentEvents }) {
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var signals = [];
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var corpus = [
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String(recentSessionTranscript || ''),
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String(todayLog || ''),
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String(memorySnippet || ''),
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String(userSnippet || ''),
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].join('\n');
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var lower = corpus.toLowerCase();
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// Analyze recent evolution history for de-duplication
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var history = analyzeRecentHistory(recentEvents || []);
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// --- Defensive signals (errors, missing resources) ---
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// Refined error detection regex to avoid false positives on "fail"/"failed" in normal text.
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// We prioritize structured error markers ([error], error:, exception:) and specific JSON patterns.
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var errorHit = /\[error\]|error:|exception:|iserror":true|"status":\s*"error"|"status":\s*"failed"/.test(lower);
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if (errorHit) signals.push('log_error');
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// Error signature (more reproducible than a coarse "log_error" tag).
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try {
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var lines = corpus
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.split('\n')
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.map(function (l) { return String(l || '').trim(); })
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.filter(Boolean);
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var errLine =
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lines.find(function (l) { return /\b(typeerror|referenceerror|syntaxerror)\b\s*:|error\s*:|exception\s*:|\[error/i.test(l); }) ||
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null;
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if (errLine) {
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var clipped = errLine.replace(/\s+/g, ' ').slice(0, 260);
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signals.push('errsig:' + clipped);
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}
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} catch (e) {}
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if (lower.includes('memory.md missing')) signals.push('memory_missing');
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if (lower.includes('user.md missing')) signals.push('user_missing');
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if (lower.includes('key missing')) signals.push('integration_key_missing');
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if (lower.includes('no session logs found') || lower.includes('no jsonl files')) signals.push('session_logs_missing');
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// if (lower.includes('pgrep') || lower.includes('ps aux')) signals.push('windows_shell_incompatible');
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if (lower.includes('path.resolve(__dirname, \'../../../')) signals.push('path_outside_workspace');
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// Protocol-specific drift signals
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if (lower.includes('prompt') && !lower.includes('evolutionevent')) signals.push('protocol_drift');
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// --- Recurring error detection (robustness signals) ---
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// Count repeated identical errors -- these indicate systemic issues that need automated fixes
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try {
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var errorCounts = {};
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var errPatterns = corpus.match(/(?:LLM error|"error"|"status":\s*"error")[^}]{0,200}/gi) || [];
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for (var ep = 0; ep < errPatterns.length; ep++) {
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// Normalize to a short key
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var key = errPatterns[ep].replace(/\s+/g, ' ').slice(0, 100);
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errorCounts[key] = (errorCounts[key] || 0) + 1;
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}
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var recurringErrors = Object.entries(errorCounts).filter(function (e) { return e[1] >= 3; });
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if (recurringErrors.length > 0) {
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signals.push('recurring_error');
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// Include the top recurring error signature for the agent to diagnose
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var topErr = recurringErrors.sort(function (a, b) { return b[1] - a[1]; })[0];
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signals.push('recurring_errsig(' + topErr[1] + 'x):' + topErr[0].slice(0, 150));
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}
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} catch (e) {}
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// --- Unsupported input type (e.g. GIF, video formats the LLM can't handle) ---
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if (/unsupported mime|unsupported.*type|invalid.*mime/i.test(lower)) {
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signals.push('unsupported_input_type');
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}
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// --- Opportunity signals (innovation / feature requests) ---
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// user_feature_request: user explicitly asks for a new capability
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// Look for action verbs + object patterns that indicate a feature request
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if (/\b(add|implement|create|build|make|develop|write|design)\b[^.?!\n]{3,60}\b(feature|function|module|capability|tool|support|endpoint|command|option|mode)\b/i.test(corpus)) {
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signals.push('user_feature_request');
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}
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// Also catch direct "I want/need X" patterns
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if (/\b(i want|i need|we need|please add|can you add|could you add|let'?s add)\b/i.test(lower)) {
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signals.push('user_feature_request');
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}
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// user_improvement_suggestion: user suggests making something better
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if (/\b(should be|could be better|improve|enhance|upgrade|refactor|clean up|simplify|streamline)\b/i.test(lower)) {
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// Only fire if there is no active error (to distinguish from repair requests)
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if (!errorHit) signals.push('user_improvement_suggestion');
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}
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// perf_bottleneck: performance issues detected
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if (/\b(slow|timeout|timed?\s*out|latency|bottleneck|took too long|performance issue|high cpu|high memory|oom|out of memory)\b/i.test(lower)) {
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signals.push('perf_bottleneck');
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}
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// capability_gap: something is explicitly unsupported or missing
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if (/\b(not supported|cannot|doesn'?t support|no way to|missing feature|unsupported|not available|not implemented|no support for)\b/i.test(lower)) {
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// Only fire if it is not just a missing file/config signal
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if (!signals.includes('memory_missing') && !signals.includes('user_missing') && !signals.includes('session_logs_missing')) {
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signals.push('capability_gap');
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}
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}
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// --- Tool Usage Analytics ---
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var toolUsage = {};
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var toolMatches = corpus.match(/\[TOOL:\s*(\w+)\]/g) || [];
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// Extract exec commands to identify benign loops (like watchdog checks)
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var execCommands = corpus.match(/exec: (node\s+[\w\/\.-]+\.js\s+ensure)/g) || [];
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var benignExecCount = execCommands.length;
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for (var i = 0; i < toolMatches.length; i++) {
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var toolName = toolMatches[i].match(/\[TOOL:\s*(\w+)\]/)[1];
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toolUsage[toolName] = (toolUsage[toolName] || 0) + 1;
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}
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// Adjust exec count by subtracting benign commands
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if (toolUsage['exec']) {
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toolUsage['exec'] = Math.max(0, toolUsage['exec'] - benignExecCount);
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}
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Object.keys(toolUsage).forEach(function(tool) {
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if (toolUsage[tool] >= 10) { // Bumped threshold from 5 to 10
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signals.push('high_tool_usage:' + tool);
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}
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// Detect repeated exec usage (often a sign of manual loops or inefficient automation)
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if (tool === 'exec' && toolUsage[tool] >= 5) { // Bumped threshold from 3 to 5
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signals.push('repeated_tool_usage:exec');
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}
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});
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// --- Signal prioritization ---
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// Remove cosmetic signals when actionable signals exist
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var actionable = signals.filter(function (s) {
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return s !== 'user_missing' && s !== 'memory_missing' && s !== 'session_logs_missing' && s !== 'windows_shell_incompatible';
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});
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// If we have actionable signals, drop the cosmetic ones
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if (actionable.length > 0) {
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signals = actionable;
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}
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// --- De-duplication: suppress signals that have been over-processed ---
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if (history.suppressedSignals.size > 0) {
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var beforeDedup = signals.length;
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signals = signals.filter(function (s) {
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// Normalize signal key for comparison
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var key = s.startsWith('errsig:') ? 'errsig' : s.startsWith('recurring_errsig') ? 'recurring_errsig' : s;
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return !history.suppressedSignals.has(key);
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});
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if (beforeDedup > 0 && signals.length === 0) {
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// All signals were suppressed = system is stable but stuck in a loop
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// Force innovation
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signals.push('evolution_stagnation_detected');
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signals.push('stable_success_plateau');
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}
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}
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// --- Force innovation after 3+ consecutive repairs ---
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if (history.consecutiveRepairCount >= 3) {
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// Remove repair-only signals (log_error, errsig) and inject innovation signals
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signals = signals.filter(function (s) {
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return s !== 'log_error' && !s.startsWith('errsig:') && !s.startsWith('recurring_errsig');
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});
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if (signals.length === 0) {
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signals.push('repair_loop_detected');
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signals.push('stable_success_plateau');
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}
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// Append a directive signal that the prompt can pick up
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signals.push('force_innovation_after_repair_loop');
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}
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// --- Force innovation after too many empty cycles (zero blast radius) ---
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// If >= 50% of last 8 cycles produced no code changes, the evolver is spinning idle.
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// Strip repair signals and force innovate to break the empty loop.
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if (history.emptyCycleCount >= 4) {
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signals = signals.filter(function (s) {
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return s !== 'log_error' && !s.startsWith('errsig:') && !s.startsWith('recurring_errsig');
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});
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if (!signals.includes('empty_cycle_loop_detected')) signals.push('empty_cycle_loop_detected');
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if (!signals.includes('stable_success_plateau')) signals.push('stable_success_plateau');
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}
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// --- Saturation detection (graceful degradation) ---
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// When consecutive empty cycles pile up at the tail, the evolver has exhausted its
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// innovation space. Instead of spinning idle forever, signal that the system should
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// switch to steady-state maintenance mode with reduced evolution frequency.
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// This directly addresses the Echo-MingXuan failure: Cycle #55 hit "no committable
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// code changes" and load spiked to 1.30 because there was no degradation strategy.
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if (history.consecutiveEmptyCycles >= 5) {
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if (!signals.includes('force_steady_state')) signals.push('force_steady_state');
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if (!signals.includes('evolution_saturation')) signals.push('evolution_saturation');
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} else if (history.consecutiveEmptyCycles >= 3) {
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if (!signals.includes('evolution_saturation')) signals.push('evolution_saturation');
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}
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// --- Failure streak awareness ---
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// When the evolver has failed many consecutive cycles, inject a signal
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// telling the LLM to be more conservative and avoid repeating the same approach.
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if (history.consecutiveFailureCount >= 3) {
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signals.push('consecutive_failure_streak_' + history.consecutiveFailureCount);
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// After 5+ consecutive failures, force a strategy change (don't keep trying the same thing)
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if (history.consecutiveFailureCount >= 5) {
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signals.push('failure_loop_detected');
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// Strip the dominant gene's signals to force a different gene selection
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var topGene = null;
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var topGeneCount = 0;
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var gfEntries = Object.entries(history.geneFreq);
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for (var gfi = 0; gfi < gfEntries.length; gfi++) {
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if (gfEntries[gfi][1] > topGeneCount) {
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topGeneCount = gfEntries[gfi][1];
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topGene = gfEntries[gfi][0];
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}
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}
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if (topGene) {
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signals.push('ban_gene:' + topGene);
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}
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}
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}
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// High failure ratio in recent history (>= 75% failed in last 8 cycles)
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if (history.recentFailureRatio >= 0.75) {
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signals.push('high_failure_ratio');
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signals.push('force_innovation_after_repair_loop');
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}
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// If no signals at all, add a default innovation signal
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if (signals.length === 0) {
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signals.push('stable_success_plateau');
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}
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return Array.from(new Set(signals));
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}
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module.exports = { extractSignals, hasOpportunitySignal, analyzeRecentHistory, OPPORTUNITY_SIGNALS };
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